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CloudflareのCAPTCHAを使って ユーザ体験を下げず不正利用を排除する / Cloudflare's captcha case study that does not degrade ux

linyows
July 14, 2023

CloudflareのCAPTCHAを使って ユーザ体験を下げず不正利用を排除する / Cloudflare's captcha case study that does not degrade ux

Cloudflare Meetup Fukuoka vol1のLT資料です

linyows

July 14, 2023
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  1. .FFUVQ'VLVPLB7PMŠ
    $MPVEGMBSFͷ$"15$)"Λ࢖ͬͯ
    ϢʔβମݧΛԼ͛ͣෆਖ਼ར༻Λഉআ͢Δ
    5PNPIJTB0EBŠ(.01FQBCP *OD

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  2. .FFUVQ'VLVPLB7PMŠ
    5PNPIJTB0EB
    (.0ϖύϘϗεςΟϯάࣄۀ෦
    4FOJPS&OHJOFFSJOH-FBE
    !MJOZPXT

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  3. .FFUVQ'VLVPLB7PMŠ
    എܠͱ՝୊
    ϗεςΟϯάࣄۀऀʹ͸ҎԼͷܧଓతͳෆਖ਼ར༻͕͋Δɻ
    ⚫︎
    ϑΟογϯάαΠτͷઃஔ
    ⚪︎
    લஈʹ$%/͕͋ͬͯΦϦδϯ͕Ӆṭ͞ΕͨΓ͢Δ
    ⚫︎
    ϑΟογϯάϝʔϧͷେྔૹ৴
    ⚪︎
    ྉۚͷࢧ෷͍Λ͠ͳ͍ͱૹΕͳ͍
    ⚫︎
    ΫϨδοτΧʔυͷେྔτϥϯβΫγϣϯ
    ⚪︎
    ୯ҰΞΧ΢ϯτͰͳ͘ෳ਺ΞΧ΢ϯτʹΑΔʢ୯ҰΞΧ΢ϯτͰ͋Ε͹ܾࡁ୅ߦۀऀͷػೳʹ
    ΑΔ੍ݶ͕Մೳʣ

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  4. .FFUVQ'VLVPLB7PMŠ
    🧑💻
    💳 "DDPVOU"
    "DDPVOU#
    ʜʜ
    1BZNFOU1MBUGPSN
    💳
    💳
    💳
    💳
    💳
    💳 ❌

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  5. ⚠͍ΘΏΔ$"15$)"Λ࢖ͬͯ
    ෳ਺ΞΧ΢ϯτͷಈత࡞੒ΛͰ͖ͳ͍Α͏ʹ͢Δ

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  6. .FFUVQ'VLVPLB7PMŠ
    $"15$)"ͱ͸
    $"15$)"͸νϟϨϯδϨεϙϯεܕ
    ςετͷҰछͰɺԠ౴ऀ͕ίϯϐϡʔλ
    Ͱͳ͍͜ͱΛ֬ೝ͢ΔͨΊʹ࢖ΘΕΔɻ
    ҎԼɺ༗໊ͳSF$"15$)"ͷྫɻ
    $IBMMFOHF $IBMMFOHF
    🧑💻

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  7. .FFUVQ'VLVPLB7PMŠ
    ֤$"15$)"ͷൺֱ
    ͪ͜Β͸ࣾ಺ධՁͰ༻͍ͨ΋ͷͰ͕͢ɺߴ͍௿͍ͷධՁ͕ᐆດͳͷͰׂѪ͠·͢ɻ
    ✔︎
    ✔︎

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  8. .FFUVQ'VLVPLB7PMŠ
    5VSOTUJMFͷ࢓૊Έ
    ಺෦ͷ࢓૊Έʹ͍ͭͯެ։͞Ε͍ͯΔ৘ใͱͯ͠͸ҎԼɻ
    ⚫︎
    ϢʔβʔνϟϨϯδΛ͠ͳ͍
    ⚫︎
    ૢ࡞ෆཁͳҰ࿈ͷখ͞ͳ+BWB4DSJQUͰ1SPPGPG8PSL΍1SPPGPG4QBDFͷνϟϨϯδ࣮ߦ
    ⚫︎
    ػցֶशϞσϧΛ࢖ͬͯϢʔβͷڞ௨఺͔Βܭࢉͷ೉қ౓Λௐ੔͢Δ
    ⚫︎
    ϓϥΠϕʔτΞΫηετʔΫϯʢݕূ͸σόΠε͕ݞ୅ΘΓʣΛར༻͠ɺ$PPLJFΛ୳ͨ͠Γɺ
    $PPLJFΛ࢖ͬͯ৘ใऩूͨ͠Γ͠ͳ͍

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  10. 'SPOUFOE
    #BDLFOE
    $MPVE
    fl
    BSF

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  11. ΜͰɺͲ͏ͩͬͨͷ͔ʁ🧐

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  12. .FFUVQ'VLVPLB7PMŠ
    ಋೖޮՌ
    ʹϦϦʔεͦ͠ͷޙ΋ൃੜ͍ͯ͠Δ͕͕ଓ͍͍ͯΔɻ

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  13. .FFUVQ'VLVPLB7PMŠ
    ⚫︎
    ϢʔβʔମݧΛԼ͛ͳ͍$"15$)"ΛಋೖͰ͖ͨ
    ⚫︎
    ಋೖޙʹಛผͳӡ༻΋ͳ͍ɺτϥϒϧͳ͠
    ⚫︎
    ࠓͷͱ͜Ζແྉ
    ⚫︎
    ෆਖ਼ར༻਺ͷݮগͱͷҼՌؔ܎͕ෆ໌ͳͷͰࠓ͸༷ࢠݟঢ়ଶ
    ·ͱΊ
    $MPVE
    fl
    BSF5VSOTUJMFΊͪΌྑ͍Ͱ͢ɻ

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